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Full text of "An Enquiry into a Discovery, Said to Have Been Made by Signor Valsalva of Bologna, of an Excretory Duct from the Glandula Renalis to the Epididymis. By Mr. John Ranby, Surgeon, F. R. S."

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\l\. An Enquiry into a DifcoVery, /aid to have been 
made by Signor Valfalva of Bologna, of an Ex- 
cretory Duel from the Gland u la Renal is to the 
Epididymis. <By Mr, John Ranby, Surgeon, 

THE late learned Signor Valfalva having fome Time 
ago difcover'd a Veffel, which he took to be an 
Excretory Dud going from the Glandula Renalis, to 
the Epididymis in Men, and the Ovarium in Women; 
anAccount whereof was publiuYd in the Giorn. de Lit- 
terati, 1719. and afterwards inferted into the Thilofo- 
fhical Tranfatlions N°385. I lately procur'd a hu- 
man Body, in order to fearch for it, which I did with 
all the Diligence I was capable of. I was not fo happy 
as todifcover any Dud of this Kind, but,having injeded 
the Aorta, I found the Arteries going to the Glandula 
Renales difpos'd, as hath been represented according to 
the Life, in the annexed Figure. Now whether that 
Branch of the Artery, which from the GlandulaRenales 
goes down on both Sides towards the Tefticies, without 
fupplying any of the neighbouring Parts, might not have 
been miftafcen by the abovementroned learned Anafomift 
for an Excretory Dud, all Arteries being generally in 
dead Bodies free from Blood, and of a whitifh Colour, 
I will not prefume at prefent to determine, for Want of 
farther Experiments. 



IV. An 



( 271 ) 

EXPLANATION. 
Fig.Vl 

A A The right Kidney. 

BB The left Kidney. 

C C The defcending Trunk of the Aorta. 

D The right emulgent Artery. 

E. The left emulgent Artery. 

F The right Glandula Renalis. 

G G The right fpermatick Artery. 

H The left Glandula Renalis. 

1 1 The left fpermatick Artery. 

K K The Ureters. 

a a A fmall Artery arifingoutof thedefcendingTrurik 
df the Aorta, a little above the right emulgent Artery. 
It fends two Branches b b upwards to fupply the right 
Glandula Renalis. A third Branch c c goes downwards 
towards the right fpermatick Artery G G, and then fur- 
ther in Company with the fame to the right Tefticle. 

d d A fmall Artery arifing out of the left emulgent 
Artery, near the defcending Trunk of the Aorta, and 
going direclly upwards to the left Glandula Renalis H. 

e e A fmall Artery arifing out of the defcending 
Trunk of the Aorta, a' little below the left emulgent 
Artery. It divides into two Branches, one whereof// 
goes upwards between the emulgent Artery and Vein 
to the left Glandula Renalis, the other gg downwards, 
towards the left fpermatick Artery, and in Company with 
the fame to the left Tefticle. 



Vol. XXXIII. Q„q IV. An